OIE: Equine influenza, China (People´s Republic)
Information received on 05/11/2007 from Mr Jia Youling, National Chief Veterinary Officer, Veterinary Bureau, Director General, BEIJING, China (People´s Rep. of)
Summary
Report type |
Immediate notification |
Start date |
09/10/2007 |
Date of confirmation of event |
30/10/2007 |
Report date |
05/11/2007 |
Date submitted to OIE |
05/11/2007 |
Reason for notification |
Reoccurrence of a listed disease |
Date of previous occurrence |
1994 |
Manifestation of disease |
Clinical disease |
Causal agent |
Equine influenza virus A subtype H3N8 |
Nature of diagnosis |
Clinical, Laboratory (advanced) |
Report pertains to |
Entire country |
New outbreaks
Outbreak 1 |
Altay, XINJIANG |
Date of start of outbreak |
09/10/2007 |
Outbreak status |
Continuing (or date resolved not submitted) |
Epidemiological unit |
Village |
Affected animals |
Species |
Susceptible |
Cases |
Deaths |
Destroyed |
Slaughtered |
Equidae |
130000 |
5515 |
0 |
0 |
0 | |
Summary of outbreaks |
Total outbreaks: 1 |
Outbreak statistics |
Species |
Apparent morbidity rate |
Apparent mortality rate |
Apparent case fatality rate |
Proportion susceptible removed* |
Equidae |
4.24% |
0.00% |
0.00% |
0.00% | * Removed from the susceptible population either through death, destruction or slaughter |
Epidemiology
Source of infection |
|
Epidemiological comments |
Note by the OIE´s Animal Health Information Department: Information was not provided outbreak by outbreak. Figures indicate the total number of susceptible animals and cases in seven counties, namely Altay, Burqin, Fuhai, Fuyun, Habahe, Jemnay and Qinghe. |
Control measures
Measures already applied |
- Movement control inside the country
- Screening
- Disinfection of infected premises/establishment(s)
- Dipping / Spraying
- Quarantine
- Zoning
- Vaccination permitted
- Treatment of affected animals (-)
|
Measures to be applied |
|
Diagnostic test results
Laboratory name and type |
Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences (National laboratory) |
Tests and results |
Species |
Test |
Test date |
Result |
Equidae |
haemagglutination inhibition test (HIT) |
30/10/2007 |
Positive |
Equidae |
reverse transcription – polymerase chain reaction (RT-PCR) |
30/10/2007 |
Positive |
Equidae |
virus isolation |
30/10/2007 |
Positive | |
Map of outbreak locations
Location of current outbreaks |
|